head to head
Neither is harder. They score identically on all four axes, so the difference between them is in kind, not degree.

Execution · Pure Mechanics
Futuristic sequel to the Trials physics-bike series with FMX tricks and brutally precise tracks.

Execution · Pure Mechanics
Physics-balance execution refined over thousands of attempts on fixed tracks.
Trials Fusion leans Execution (Pure Mechanics); Trials HD leans Execution (Pure Mechanics).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Trials Fusion
Frame-tight balance and throttle inputs
Trials HD
Throttle balance and weight shifts demand frame-tight physical control
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Trials Fusion
No adaptive opposition
Trials HD
Solo against static obstacle courses
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Trials Fusion
Deterministic physics, known tracks
Trials HD
Tracks are identical every single attempt
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Trials Fusion
Optimal lines and trick scoring are learnable
Trials HD
Finding the optimal line through each obstacle rewards study
A matching score does not mean a matching test. Two games can both sit at 10 on execution and demand completely different things of you - which is why the reasoning above matters more than the number beside it.